Valley Falls State Park was created in 1964.
Valley of Fire State Park was created in 1935.
Goblin Valley State Park was created in 1964.
Spring Valley State Park was created in 1969.
Poe Valley State Park was created in 1938.
Kent Falls State Park was created in 1919.
Amnicon Falls State Park was created in 1961.
Falls of the Ohio State Park was created in 1990.
Clifty Falls State Park was created in 1920.
McKinney Falls State Park was created in 1976.
Niagara Falls State Park was created in 1885.
Silver Falls State Park was created in 1936.
Blackwater Falls State Park was created in 1937.